purpose
what is the purpose of the heart?
to pump blood through blood vessels.
hyper-
excessive
the circulatory system is composed of two parts.
true
pertaining to a vein.
vascular
what is the thick, muscular middle layer to the heart.
myocardium
what is the purpose of the ventricles?
pumping chambers
poly-
many
the cardiovascular system only has one role.
false
pertaining to the heart.
cardiac
what is made up of cardiac muscle
the heart
what is the purpose of the fluid between the two layers of the sac?
reduces friction as the heart beats.
tachy-
fast
the endocardium is the outlining of the heart chambers.
false
pertaining to the ventricles.
inter ventricular.
what is the tip of the heart at the lower edge called
the apex
what is the purpose of pulmonary circulation?
to transport deoxygenated blood to the lungs to get oxygen.
hypo-
insufficient
the heart is divided into four chambers.
true
venue
what is the lumen?
the channel within these vessels though which blood flows.